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Friedman numbers are numbers that can be written by using its own digits the exact number of times they show up in the number. This one can be expressed as (8+9)². [2] 289 is a perfect square being equal to 17². It is also the 7th number to only have 3 factors because it is a square of a prime number. 289 is the sum of perfect cubes. It is ...
0.10 (odds of winning gammon in the next game) + 0.40 (odds of winning a single game) * 0.50 (odds of winning the following game) = 0.30. Since gammon wins are very favorable to the trailer and gammon losses are very costly to the leader, this score is referred to as "gammon go" (GG) for the trailer and "gammon save" (GS) for the leader.
Perfect: All 3m planar arrays must be pandiagonal magic squares. In addition, all pantriagonals must sum correctly. These two conditions combine to provide a total of 9m pandiagonal magic squares. The smallest normal perfect magic cube is order 8; see Perfect magic cube. Nasik; A. H. Frost (1866) referred to all but the simple magic cube as Nasik!
The cube stacking game is a two-player game version of this puzzle. Given an ordered list of cubes, the players take turns adding the next cube to the top of a growing stack of cubes. The loser is the first player to add a cube that causes one of the four sides of the stack to have a color repeated more than once.
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The popularity of the Cube is reflected in its strong sales—in 2022, 5.75 million units of the official Rubik’s Cube were sold globally and that figure was up 14% year-to-date, according to ...
A perfect magic cube of order seven was given by A. H. Frost in 1866, and on March 11, 1875, an article was published in the Cincinnati Commercial newspaper on the discovery of a perfect magic cube of order 8 by Gustavus Frankenstein. Perfect magic cubes of orders nine and eleven have also been constructed.
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